Justin Eisfeller - 27 Jan 2026 Form 4 Insider Report for UNITIL CORP (UTL)

Role
CTO
Signature
/s/ Thomas P. Meissner, Jr., attorney-in-fact for Justin Eisfeller
Issuer symbol
UTL
Transactions as of
27 Jan 2026
Net transactions value
+$2,000
Form type
4
Filing time
29 Jan 2026, 16:31:18 UTC
Previous filing
29 Jan 2025
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Eisfeller Justin CTO 6 LIBERTY LANE WEST, HAMPTON /s/ Thomas P. Meissner, Jr., attorney-in-fact for Justin Eisfeller 29 Jan 2026 0001909978

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction UTL Common stock, no par value Award $0 +1,080 $0.000000 0 27 Jan 2026 Direct F1
transaction UTL Common stock, no par value Award $0 +1,080 $0.000000 0 27 Jan 2026 Direct F2
transaction UTL Common stock, no par value Award $2,000 +40 +0.22% $50.00 18,394 27 Jan 2026 Direct F3
holding UTL Common stock, no par value 1,329 27 Jan 2026 Held in trust F4

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction UTL Contingent grant of common stock Award +540 +55% 1,520 27 Jan 2026 Common stock 540 Direct F5
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Shares were granted pursuant to the Unitil Corporation Third Amended and Restated 2003 Stock Plan. Shares generally will vest 25% per year over four years from date of grant. Shares will be valued at current market price on date of vesting.
F2 Shares were granted pursuant to the Unitil Corporation Third Amended and Restated 2003 Stock Plan. Shares generally will vest after three-year performance period based on the attainment of certain performance thresholds of certain performance goals. Shares will be valued at current market price on date of vesting.
F3 Shares were granted pursuant to the Unitil Corporation Third Amended and Restated 2003 Stock Plan. Shares were granted at the conclusion of the 2023-2025 performance period based on the attainment of certain performance thresholds of certain performance goals. Shares were valued at current market price on date of grant. The balance of the contingent grant for such performance period terminated.
F4 Shares are held in trust under the terms of the Unitil Corporation Tax Deferred Savings and Investment Plan.
F5 Shares may be granted pursuant to the Unitil Corporation Third Amended and Restated 2003 Stock Plan. Any such shares would be granted after a three-year performance period ending on December 31, 2028, based on the attainment of certain performance thresholds of certain performance goals. Any such shares would be valued at current market price on date of grant.